20271855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 34389504

約数和(自身を除く): 14117649

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 877, 1005, 1541, 2631, 4385, 4623, 7705, 13155, 20171, 23115, 58759, 60513, 100855, 176277, 293795, 302565, 881385, 1351457, 4054371, 6757285, 20271855]

約数ペア:

[(1, 20271855), (3, 6757285), (5, 4054371), (15, 1351457), (23, 881385), (67, 302565), (69, 293795), (115, 176277), (201, 100855), (335, 60513), (345, 58759), (877, 23115), (1005, 20171), (1541, 13155), (2631, 7705), (4385, 4623)]